NASA Destination Tomorrow video containing four segments as described below. First segment of episode 20 that contains the Behind the Scenes segment in which Scott Striepe discusses how the Mars Reconnaissance Orbiter (MRO) will pave the way for future missions to Mars. The first segment of episode 20 discusses the technology behind the MRO and how aerobraking will be used to decrease the amount of fuel necessary for the mission. The Mars Reconnaissance Orbiter segment ends with a Did You Know? segment describing the concern NASA scientists have with Martian dust. Second segment of episode 20 contains the TechWatch segment which describes how NASA research has been the driving force behind new medical technology. The second segment of episode 20 begins with a brief flashback of how the practice of medicine has evolved from X rays to current Cat scans. The Advances in Medical Tech segment describes how the ARTEMIS technology combines CAT scans with virtual imaging technology to provide doctors with greater precision in their operations. Third segment of episode 20 contains the Retrospective segment which describes the development and history of reusable vehicles for space. The Space Shuttle Program covers the history, testing, and achievements of the Space Shuttles and their crew. The Space Shuttle Program segment ends with a Did You Know? segment on the Space Shuttle Enterprise. Fourth segment of episode 20 contains the How It Works segment which describes NASA research on sonic booms. The Sonic Booms segment describe the research underway aimed at making super sonic over land flight possible.